"Here’s the basic outline of House Budget Committee Chairman Paul Ryan’s 2013 budget in one sentence: Ryan’s budget funds trillions of dollars in tax cuts, defense spending and deficit reduction by cutting deeply into health-care programs and income supports for the poor.

On the spending side, Ryan’s biggest cuts come from health-care programs. He eliminates the $1.5 trillion that the Affordable Care Act uses to purchase health insurance for 30 million Americans. Then he cuts Medicaid and related health programs by $770 billion — which is to say, by about a third. Medicare takes $200 billion in cuts on top of that. This graph from the Congressional Budget Office’s analysis of Ryan’s budget tells the story: